diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c
index 79814758a084..07a478b2c487 100644
--- a/drivers/pinctrl/pinmux.c
+++ b/drivers/pinctrl/pinmux.c
@@ -337,7 +337,7 @@ static int pinmux_func_name_to_selector(struct pinctrl_dev *pctldev,
 	while (selector < nfuncs) {
 		const char *fname = ops->get_function_name(pctldev, selector);
 
-		if (!strcmp(function, fname))
+		if (fname && !strcmp(function, fname))
 			return selector;
 
 		selector++;